pre {
    background-color: #EEE;
    color:#000;
    margin-left:3em;
    margin-right:3em;
    padding: 1em 1em;
}

h1, h2, h3, h4, h5, h6 {
    font-family: Verdana, Arial, sans-serif;
}

h1 {
    background-color: #FFB200;
    color: #1919B3;
    padding: 0.5em;
}

body {
    margin-left: 3em;
    margin-right:  3em;
}

.controller {
    font-family: monospace;
}